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These are the visual effect settings we have set:

Wasn't there some weird Registry key that dealt with odd border issues - seem to remember I used it for windows with fat borders on Citrix as opposed to none though

It's only on file explorer though, the other windows don't seem to have it

Ugh, weirdness

Yup it’s shite - Tis the the only way I know how to work around it

GUI fix works for me: Settings, Colours, Show Accent…on Title Bars and Windows Borders.

yep, that's what the ColorPrevalence reg key does essentially 🙂

Ah, did wonder. It’s odd, because in Dark Mode, the active window body is slightly lighter than the inactive windows, so you can mostly tell where your windows start and end, e.g. for Windows Explorer / File Manager / winfile.exe / whatever it is now. In Light Mode, they’re all the same.

I posted about this very same thing not too long ago. Give me a second to find my thread, because I did resolve it...

Well @Nathan Shaw, the weird thing is, is that the non-active windows do have a border.. And no, I haven't seen that post, would be interested though.

Yeah, it might be older. I found what I was looking for, just give me a minute to test one other method of applying the one key.

👍🏻

Well, this is making me a liar. It doesn't appear to be working in my image again.

Hehe. It seems like something changed in Windows Server 2019

I'm going to keep searching for options. Nobody has complained about it, but I hate it.

I changed it to fairly light grey, works OK for me.

Nice! Just figured the issue out.

Unfortunately not 😢

Okay, well let me write this out and you can see if you can implement it.

@Nathan Shaw: how did you change it to light grey? Is that the "AccentColor" registry key?

I assume, yeah. I used the GUI.

Okay, so here's the fix for my W10 VDAs. Step 1: Create the following registry entry in HKLM (I do it via GPO):

Key: HKLM\SYSTEM\CurrentControlSet\Control\Citrix
Value Name: EnableVisualEffect
Value Type: REG_DWORD
Value Data: 00000001

Step 2: Create the following registry entry in HKCU (I'm using WEM):

Reg.exe Add "HKCU\Control Panel\Desktop" /v "UserPreferencesMask" /t REG_BINARY /d 1E078012000000 /f

The value above is the wrong entry, but in order for Windows to acknowledge this, I had to use a different value than what was set in my master image. Step 3: Create the following registry entry in HKCU (I'm using WEM), and either run it once or every logon:

Reg.exe Add "HKCU\Control Panel\Desktop" /v "UserPreferencesMask" /t REG_BINARY /d 9E1E078012000000 /f

In my environment, the changes will be applied on the 2nd logon because explorer.exe needs to be shut down after the setting is changed to take effect. I'm using WEM to assign external tasks that run those reg.ex commands. I run the "bad" command first, and then the "good" command last on the initial logon. The next time the user logs on, window shadows will be enabled.

Ah yes, that's the "Show shadows under windows" setting, that also works, but there is still no border though.

Yeah, that's the workaround - shadows are the new border.

😄